Biology, 26.06.2019 00:00 esperanzar3034
When do scientists believe life originated on earth? a.3 to 4 billion years agob. 600 million years agoc. less than 6,000 years agod. over 5 billion years ago
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When do scientists believe life originated on earth? a.3 to 4 billion years agob. 600 million years...
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